CN219572659U - Roasting furnace for producing metal oxide by spray roasting nitrate - Google Patents
Roasting furnace for producing metal oxide by spray roasting nitrate Download PDFInfo
- Publication number
- CN219572659U CN219572659U CN202320652015.0U CN202320652015U CN219572659U CN 219572659 U CN219572659 U CN 219572659U CN 202320652015 U CN202320652015 U CN 202320652015U CN 219572659 U CN219572659 U CN 219572659U
- Authority
- CN
- China
- Prior art keywords
- furnace body
- roasting
- regulating valve
- roasting furnace
- assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a roasting furnace for producing metal oxide by roasting nitrate through spraying, which comprises a furnace body component, a spraying component and a combustion component, wherein the feeding end of the furnace body component is connected with the discharging end of the spraying component, the combustion component is arranged in the furnace body component, and temperature detection components are arranged in the furnace body component, the discharging end of the furnace body component and the feeding and discharging ends of the combustion component. Compared with the prior art, the method for roasting the nitrate by utilizing the spray method has the advantages of controllable particle size of the product, higher purity of the product, good particle dispersibility, high production efficiency, low temperature in the process and the like, and has popularization and application values.
Description
Technical Field
The utility model relates to a metal oxide roasting device, in particular to a roasting furnace for producing metal oxide by spraying and roasting nitrate.
Background
The metal oxide (such as Co3O4, niO, mnO and the like) of the ternary battery material is an important functional material, is a main raw material for preparing the ternary battery anode material, and is widely applied to the fields of supercapacitors, ceramics, catalysts and the like. In the prior art, the metal oxide is processed mainly by directly pyrolyzing nitrate in a decomposing furnace or a rotary kiln by using combustion gas, so that the nitrate cannot be fully combusted rapidly, and a large amount of heat is consumed in the production process, so that the production cost is high, the yield is low, the purity is low, the particle size is difficult to control, and the production efficiency is low, therefore, there is room for improvement.
Disclosure of Invention
The utility model aims to provide a roasting furnace for producing metal oxide by spray roasting nitrate.
In order to achieve the above purpose, the utility model is implemented according to the following technical scheme:
the spray type furnace comprises a furnace body component, a spraying component and a combustion component, wherein the feeding end of the furnace body component is connected with the discharging end of the spraying component, the combustion component is arranged in the furnace body component, and temperature detection components are arranged in the furnace body component, the discharging end of the furnace body component, the exhaust end and the feeding and discharging ends of the combustion component.
The furnace body component comprises a roasting furnace body, a rotary valve and a furnace body exhaust pipe, a discharge hole at the lower end of the roasting furnace body is connected with the rotary valve, an exhaust hole is arranged at the upper end of the roasting furnace body, the exhaust hole of the roasting furnace body is connected with one end of the furnace body exhaust pipe, the spray assembly comprises a spray assembly, a combustion assembly, a roasting furnace body, a rotary valve and a temperature detection assembly, wherein the spray assembly is arranged at the discharge end of the spray assembly, the spray assembly is arranged at the upper section in the roasting furnace body, the combustion assembly is arranged at one side of the lower section in the roasting furnace body, and the side wall in the roasting furnace body, the furnace body exhaust pipe and the rotary valve are all provided with the temperature detection assembly.
As an improvement, a lump crusher and a crusher driving motor are arranged between the discharging end of the roasting furnace body and the rotary valve, the feeding end of the lump crusher is connected with the discharging end of the roasting furnace body, the discharging end of the lump crusher is connected with the rotary valve, and the driving end of the lump crusher is connected with the driving output shaft of the crusher driving motor.
The combustion assembly comprises a combustion assembly flame path, a gas regulating valve and an air regulating valve, wherein the combustion end of the combustion assembly flame path is positioned in the roasting furnace body, the gas regulating valve and the air regulating valve are arranged at the feeding end of the combustion assembly flame path, and the gas regulating valve and the air regulating valve are positioned outside the roasting furnace body.
The temperature detection assembly comprises a discharge temperature detector, an exhaust pressure detector, a furnace body temperature detector, a flame path front section temperature detector and a flame path rear section temperature detector, wherein the discharge temperature detector is arranged between the discharge end of the lump crusher and the feed end of the rotary valve, the exhaust temperature detector and the exhaust pressure detector are respectively arranged at the feed end and the outer wall of the discharge end of the furnace body exhaust pipe, the furnace body temperature detectors are multiple, the furnace body temperature detectors are respectively arranged on the side wall of the furnace body of the roasting furnace, and the flame path front section temperature detector and the flame path rear section temperature detector are respectively arranged on the side wall of the feed end and the discharge end of the flame path of the combustion assembly.
The spray assembly comprises an atomizing nozzle, a solution regulating valve, a water supply regulating valve and a compressed air regulating valve, wherein the atomizing nozzle is positioned at the upper section in the roasting furnace body, the feeding end of the atomizing nozzle is simultaneously connected with the water supply regulating valve, the compressed air regulating valve and the discharging end of the solution regulating valve, the feeding end of the solution regulating valve is connected with the solution feeding assembly, the feeding end of the water supply regulating valve is connected with the water supply assembly, and the feeding end of the compressed air regulating valve is connected with the air supply device.
Preferably, the spraying components are multiple, and the atomizing nozzles of the spraying components are all positioned at the upper section in the roasting furnace body. The combustion components are two groups or more than two groups.
As an improvement, an air flow sensor is arranged between the combustion assembly flame path and the air regulating valve, a gas flow sensor is arranged between the combustion assembly flame path and the gas regulating valve, a flame detector is arranged on the combustion assembly flame path, and the detection end of the flame detector is positioned in the combustion assembly flame path.
The beneficial effects of the utility model are as follows:
compared with the prior art, the utility model uses a spray method to bake the nitrate, has the advantages of controllable particle size of the product, higher product purity, good particle dispersibility, high production efficiency, low temperature in the process and the like, and has popularization and application values.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the combustion assembly of the present utility model.
In the figure: the roasting furnace body 1, a combustion assembly flame path 2, an atomizing nozzle 3, a solution regulating valve 4, a water supply regulating valve 5, a compressed air regulating valve 6, a lump breaker 7, a rotary valve 8, a breaker driving motor 9, a discharge temperature detector 10, a furnace body exhaust pipe 11, an exhaust temperature detector 12, an exhaust pressure detector 13, a furnace body temperature detector 14, a gas regulating valve 15, an air regulating valve 16, a flame path front section temperature detector 17, a flame path rear section temperature detector 18, an air flow sensor 19, a gas flow sensor 20 and a flame detector 21.
Detailed Description
The utility model will be further described with reference to the accompanying drawings and specific embodiments, wherein the exemplary embodiments and descriptions of the utility model are for purposes of illustration, but are not intended to be limiting.
As shown in fig. 1 and 2: the spray type furnace comprises a furnace body component, a spraying component and a combustion component, wherein the feeding end of the furnace body component is connected with the discharging end of the spraying component, the combustion component is arranged in the furnace body component, and temperature detection components are arranged in the furnace body component, the discharging end of the furnace body component, the exhaust end and the feeding and discharging ends of the combustion component.
The furnace body subassembly includes roasting furnace body 1, rotary valve 8 and furnace body blast pipe 11, roasting furnace body 1's lower extreme discharge gate with rotary valve 8 connects, roasting furnace body 1's upper end sets up the gas vent, roasting furnace body 1's gas vent with furnace body blast pipe 11's one end is connected, spray assembly's discharge end is located roasting furnace body 1's upper segment, combustion assembly set up in roasting furnace body 1's lower segment one side, roasting furnace body 1's lateral wall all be provided with temperature detection subassembly on furnace body blast pipe 11 with on rotary valve 8.
As an improvement, a lump breaker 7 and a breaker driving motor 9 are arranged between the discharging end of the roasting furnace body 1 and the rotary valve 8, the feeding end of the lump breaker 7 is connected with the discharging end of the roasting furnace body 1, the discharging end of the lump breaker 7 is connected with the rotary valve 8, and the driving end of the lump breaker 7 is connected with a driving output shaft of the breaker driving motor 9. The furnace body 1 of the roasting furnace is used as the most core equipment of the device, and the productivity, the production effect and the success and failure of the device are related. The top of the roasting furnace body 1, the bottom of the roasting furnace body 1 and the straight section are lined with refractory acid-resistant materials for heat insulation and protection of the roasting furnace body 1; the lump crusher 7 at the bottom of the roasting furnace body 1 is used for crushing large-lump generated materials, the rotary valve 8 is used for conveying the generated materials into the conveying system and isolating ambient air from entering the inside of the roasting furnace body 1, so that the production state in the roasting furnace body 1 is prevented from being influenced.
The combustion assembly comprises a combustion assembly flame path 2, a gas regulating valve 15 and an air regulating valve 16, wherein the combustion end of the combustion assembly flame path 2 is positioned in the roasting furnace body 1, the gas regulating valve 15 and the air regulating valve 16 are arranged at the feeding end of the combustion assembly flame path 2, and the gas regulating valve 15 and the air regulating valve 16 are positioned outside the roasting furnace body 1.
The temperature detection assembly comprises a discharge temperature detector 10, an exhaust temperature detector 12, an exhaust pressure detector 13, a furnace body temperature detector 14, a flame path front-section temperature detector 17 and a flame path rear-section temperature detector 18, wherein the discharge temperature detector 10 is arranged between the discharge end of the lump breaker 7 and the feed end of the rotary valve 8, the exhaust temperature detector 12 and the exhaust pressure detector 13 are respectively arranged on the outer walls of the feed end and the discharge end of the furnace body exhaust pipe 11, the furnace body temperature detectors 14 are multiple, the furnace body temperature detectors 14 are respectively arranged on the side wall of the roasting furnace body 1, and the flame path front-section temperature detector 17 and the flame path rear-section temperature detector 18 are respectively arranged on the side wall of the feed end and the discharge end of the flame path 2 of the combustion assembly. According to the size and material condition of the roasting furnace body 1, 2-16 furnace body temperature detectors 14 are arranged in the vertical section of the roasting furnace body 1 and are used for detecting the temperature condition in the roasting furnace body 1, and the temperature of a reaction area in the roasting furnace body 1 is 500-850 ℃; a discharge temperature detector 10 is arranged at the material outlet at the bottom of the roasting furnace body 1, and the temperature of the outlet at the bottom of the roasting furnace body 1 is controlled within the range of 200-600 ℃; the top of the roasting furnace body 1 is provided with an exhaust temperature detector 12 and an exhaust pressure detector 13, the negative pressure at the top of the roasting furnace body 1 is controlled to be within the range of-50 to-400 of the roasting furnace body 1 by an air regulating valve 16, and the temperature at the top of the roasting furnace body 1 is controlled to be within the range of 250-500 ℃;
the spray assembly comprises an atomizing nozzle 3, a solution regulating valve 4, a water supply regulating valve 5 and a compressed air regulating valve 6, wherein the atomizing nozzle 3 is positioned at the upper section in the roasting furnace body 1, the feeding end of the atomizing nozzle 3 is simultaneously connected with the water supply regulating valve 5, the compressed air regulating valve 6 and the discharging end of the solution regulating valve 4, the feeding end of the solution regulating valve 4 is connected with a solution feeding assembly, the feeding end of the water supply regulating valve 5 is connected with a water supply assembly, and the feeding end of the compressed air regulating valve 6 is connected with a gas supply device.
Preferably, the spraying components are multiple, and the atomizing nozzles 3 of the spraying components are all positioned at the upper section in the roasting furnace body 1. The combustion components are two groups or more than two groups. The top of the roasting furnace body 1 is provided with more than 1 spray assemblies for spraying the materials into the furnace for roasting.
As an improvement, an air flow sensor 19 is arranged between the combustion assembly flame path 2 and the air regulating valve 16, a gas flow sensor 20 is arranged between the combustion assembly flame path 2 and the gas regulating valve 15, a flame detector 21 is arranged on the combustion assembly flame path 2, and the detection end of the flame detector 21 is positioned in the combustion assembly flame path 2. According to the size and the material condition of the roasting furnace body 1, the roasting furnace body 1 is provided with more than 2 combustion assemblies, and a flame path front section temperature detector 17 and a flame path rear section temperature detector 18 are arranged on a flame path 2 of the combustion assembly of each roasting furnace body 1 and are used for detecting the temperature of the front section and the rear section of the combustion gas, so that the accurate detection of the temperature is facilitated. The air flow sensor 19, the gas flow sensor 20, the flame detector 21, the gas regulating valve 15 and the air regulating valve 16 which are arranged in a matched mode are used for accurately controlling the flame size, and accurate temperature control is facilitated.
The application method of the utility model is as follows:
1: the solution enters the atomizing nozzle 3 through the solution regulating valve 4, the compressed air also enters the atomizing nozzle 3 through the compressed air regulating valve 6, the solution is atomized into particles with the particle size of 10-300 microns, and the particles are sprayed into the roasting furnace body 1 for spray roasting.
2: carrying out pyrolysis reaction in the roasting furnace body 1 to produce metal oxide and nitrogen oxide;
3: the nitrogen oxide gas, combustion waste gas and surplus air generated by the reaction go out from the top of the roasting furnace body 1, the temperature and the pressure are detected by an exhaust temperature detector 12 and an exhaust pressure detector 13, and the gas in the roasting furnace body 1 enters the subsequent cooling and absorbing process;
4: the metal oxide generated by the reaction enters a powder conveying system from the bottom of a roasting furnace body 1 through a lump breaker 7 and a rotary valve 8;
5: the fuel gas and air entering the combustion assembly through the fuel gas regulating valve 15 and the air regulating valve 16 are combusted in the flame path 2 of the combustion assembly, and the high-temperature gas after combustion enters the roasting furnace body 1 to provide heat for the reaction in the roasting furnace body 1; the production temperature in the roasting furnace body 1 is 500-850 ℃.
The metal oxide prepared by the equipment has the following technical parameters through detection:
metal oxide particle size: 200 nm-200 um, the average of actual detection is 400nm (more than 50% is within 400nm + -10 nm)
Purity of metal oxide: more than or equal to 99.8 percent
The production capacity of the device can be from 100L/h to 30000L/h (the metal oxide produced by 1L of solution is about 80 to 300 g), the nitrate solution is sprayed from the top of the roasting furnace, and the metal oxide is produced from the bottom of the roasting furnace immediately (the reaction time can be adjusted from 10 seconds to 60 seconds).
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (9)
1. A roasting furnace for producing metal oxide by roasting nitrate by spraying, which is characterized in that: the spray type furnace comprises a furnace body assembly, a spraying assembly and a combustion assembly, wherein a feeding end of the furnace body assembly is connected with a discharging end of the spraying assembly, the combustion assembly is arranged in the furnace body assembly, and a temperature detection assembly is arranged in the furnace body assembly, at a discharging end, an exhaust end and a feeding and discharging end of the combustion assembly.
2. The roasting furnace for producing metal oxide by spray roasting nitrate according to claim 1, wherein: the utility model provides a furnace body subassembly is including roasting furnace body (1), rotary valve (8) and furnace body blast pipe (11), the lower extreme discharge gate of roasting furnace body (1) with rotary valve (8) are connected, the upper end of roasting furnace body (1) sets up the gas vent, the gas vent of roasting furnace body (1) with the one end of furnace body blast pipe (11) is connected, the discharge end of spraying subassembly is located the upper segment in roasting furnace body (1), combustion module set up in lower segment one side in roasting furnace body (1), the lateral wall in roasting furnace body (1) on furnace body blast pipe (11) with all be provided with temperature detection subassembly on rotary valve (8).
3. The roasting furnace for producing metal oxide by spray roasting nitrate according to claim 2, wherein: the device is characterized in that a lump crusher (7) and a crusher driving motor (9) are arranged between the discharging end of the roasting furnace body (1) and the rotary valve (8), the feeding end of the lump crusher (7) is connected with the discharging end of the roasting furnace body (1), the discharging end of the lump crusher (7) is connected with the rotary valve (8), and the driving end of the lump crusher (7) is connected with a driving output shaft of the crusher driving motor (9).
4. The roasting furnace for producing metal oxide by spray roasting nitrate according to claim 2, wherein: the combustion assembly comprises a combustion assembly flame path (2), a gas regulating valve (15) and an air regulating valve (16), wherein the combustion end of the combustion assembly flame path (2) is positioned in the roasting furnace body (1), the gas regulating valve (15) and the air regulating valve (16) are arranged at the feeding end of the combustion assembly flame path (2), and the gas regulating valve (15) and the air regulating valve (16) are positioned outside the roasting furnace body (1).
5. A roasting furnace for producing metal oxides by spray roasting nitrates as claimed in claim 3, characterised in that: the temperature detection assembly comprises a discharge temperature detector (10), an exhaust temperature detector (12), an exhaust pressure detector (13), a plurality of furnace body temperature detectors (14), a flame path front section temperature detector (17) and a flame path rear section temperature detector (18), wherein the discharge temperature detector (10) is arranged between the discharge end of the lump breaker (7) and the feed end of the rotary valve (8), the exhaust temperature detector (12) and the exhaust pressure detector (13) are respectively arranged at the feed end and the outer wall of the discharge end of the furnace body exhaust pipe (11), the furnace body temperature detectors (14) are multiple, the furnace body temperature detectors (14) are respectively arranged on the side wall of the roasting furnace body (1), and the flame path front section temperature detector (17) and the flame path rear section temperature detector (18) are respectively arranged at the feed end and the side wall of the discharge end of the flame path (2) of the combustion assembly.
6. The roasting furnace for producing metal oxide by spray roasting nitrate according to claim 2, wherein: the spray assembly comprises an atomizing nozzle (3), a solution regulating valve (4), a water supply regulating valve (5) and a compressed air regulating valve (6), wherein the atomizing nozzle (3) is positioned at the upper section in the roasting furnace body (1), the feeding end of the atomizing nozzle (3) is simultaneously connected with the water supply regulating valve (5) and the compressed air regulating valve (6) and the discharging end of the solution regulating valve (4), the feeding end of the solution regulating valve (4) is connected with the solution feeding assembly, the feeding end of the water supply regulating valve (5) is connected with the water supply assembly, and the feeding end of the compressed air regulating valve (6) is connected with the air supply device.
7. The roasting furnace for producing metal oxide by spray roasting nitrate according to claim 6, wherein: the spraying components are multiple, and the atomizing nozzles (3) of the spraying components are all positioned at the upper section in the roasting furnace body (1).
8. The roasting furnace for producing metal oxide by spray roasting nitrate according to claim 2, wherein: the combustion components are two groups or more than two groups.
9. The roasting furnace for producing metal oxide by spray roasting nitrate according to claim 4, wherein: an air flow sensor (19) is arranged between the combustion assembly flame path (2) and the air regulating valve (16), a gas flow sensor (20) is arranged between the combustion assembly flame path (2) and the gas regulating valve (15), a flame detector (21) is arranged on the combustion assembly flame path (2), and the detection end of the flame detector (21) is positioned in the combustion assembly flame path (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320652015.0U CN219572659U (en) | 2023-03-29 | 2023-03-29 | Roasting furnace for producing metal oxide by spray roasting nitrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320652015.0U CN219572659U (en) | 2023-03-29 | 2023-03-29 | Roasting furnace for producing metal oxide by spray roasting nitrate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219572659U true CN219572659U (en) | 2023-08-22 |
Family
ID=87669406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320652015.0U Active CN219572659U (en) | 2023-03-29 | 2023-03-29 | Roasting furnace for producing metal oxide by spray roasting nitrate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219572659U (en) |
-
2023
- 2023-03-29 CN CN202320652015.0U patent/CN219572659U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102951640B (en) | Calcium carbide producing device | |
| CN103223492A (en) | High-activity ultrafine aluminum powder preparing process and device | |
| CN105081337B (en) | Method and device for preparing fine spherical metal powder through high-frequency supersonic plasma gas | |
| CN101979940B (en) | Spray drying tower for preparing powder | |
| CN102417291B (en) | Glass microballoon manufacturing device and preparation method thereof | |
| CN100519424C (en) | Method for producing vanadium trioxide | |
| CN219572659U (en) | Roasting furnace for producing metal oxide by spray roasting nitrate | |
| CN109539792A (en) | A kind of spray pyrolysis unit preparing tertiary cathode presoma and its application method | |
| CN112919552B (en) | High tap density multi-element oxide precursor and preparation method and preparation system thereof | |
| CN108296491A (en) | A kind of spherical iridium raw powder's production technology of micron order | |
| CN204892966U (en) | Fine globular metal powder's of high frequency supersonic speed plasma gas preparation device | |
| CN207498325U (en) | For the plasma nozzle and gasification furnace of coal water slurry gasification | |
| CN110776011B (en) | Method for preparing sodium chromate by low-nitrogen roasting and clinker continuous leaching of chromite | |
| CN100457635C (en) | Production process of vanadium sesquioxide powder | |
| CN202032848U (en) | Spray drying tower for pulverizing | |
| CN208532665U (en) | A kind of black reactor combustion chamber | |
| CN114349011B (en) | Preparation method of nano-sized silicon monoxide powder | |
| CN106017093B (en) | For preparing the calciner of rare earth oxide | |
| CN116374959B (en) | Process for producing metal oxide by spray roasting nitrate | |
| CN109868160A (en) | Plasma nozzle, gasification furnace and gasification process for coal water slurry gasification | |
| CN109319839B (en) | High-purity flaky vanadium pentoxide and preparation method thereof | |
| CN210367009U (en) | Large-scale reduction furnace chassis | |
| CN111847489A (en) | Magnesium nitrate pyrolysis furnace device with high-temperature dust removal function and method | |
| CN220310398U (en) | Integrated nitrate thermal decomposition device | |
| CN107935046A (en) | Uranyl nitrate is pyrolyzed drying tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |